Home / 486,805.08-671,767.02-271,902.36

Finding the Fourth Proportional to 486,805.08, 671,767.02 and 271,902.36

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Solution

The fourth proportional to 486,805.08, 671,767.02 and 271,902.36 is: 375,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,805.08 : 671,767.02 = 271,902.36 : x
  2. Step 2: Convert to fraction form
    486,805.08/671,767.02 = 271,902.36/x
  3. Step 3: Cross multiply
    486,805.08x = 671,767.02 × 271,902.36
  4. Step 4: Simplify right side
    486,805.08x = 182,655,038,108.17
  5. Step 5: Solve for x
    x = 182,655,038,108.17/486,805.08
  6. Step 6: Final answer
    x = 375,211.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.